HVAC Heater hose C2D23174 Heater bleed hose for Land Rover Jaguar Radiator coolant upper water hose

Product Description:

Radiator heater hose
OE NO.: C2D23174 C2D25608

Applicable vehicle type: For Land Rover

Heater Bleed Hose (Heater Core Bleed Hose) is an important connecting component in the vehicle cooling system and heating system. It is mainly used to discharge air from the heater core and cooling circuit, prevent air lock phenomena, and ensure smooth circulation of coolant. This product is typically made of heat-resistant and aging-resistant rubber or silicone materials, and is a key component to maintain normal operation of the heating system.

Main Functions

1. Air Exclusion to Prevent Air Lock

After refilling or maintenance of the cooling system, air may remain in the pipelines. The Heater bleed hose connects to the expansion tank or a specially designed vent valve to expel air from the system, preventing air lock formation in the heater core or pipelines, and ensuring normal coolant circulation.

2. Maintenance of System Pressure Balance

As a connecting passage between the expansion tank and the heater circuit, it allows free flow of coolant during thermal expansion and contraction, maintaining stable system pressure.

3. Ensuring Heater Efficiency

When there is no air blockage in the heater core, hot coolant can fully exchange heat with the core, ensuring normal warm air supply to the driver's compartment.

4. Rapid Identification of System Faults

Some vehicle models are equipped with transparent observation windows or special connectors on the bleed hose, facilitating technicians to check the coolant flow status and identify the presence of air in the system.

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